Grammar › N1 · 09 Emphasis and feeling
〜だにしない: not even imagine
N1 · 09 Emphasis and feeling
Says something is so unexpected that it cannot even be imagined or thought of.
Noun/verb dictionary form + だに(しない): 想像だにしない, 予想だにしなかった, 夢にだに. A literary fixed phrase used with thinking verbs. Related to the particle だに (even), which is already a card.
Examples
まさか自分が選ばれるとは、想像だにしなかった。
I never even imagined that I would be the one chosen.
あの日、あんな大事故が起きるとは、予想だにしなかった。
That day, nobody could have predicted such a big accident.